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0629423c | 1 | import { ChangeDetectorRef, Component, OnDestroy, OnInit } from '@angular/core'; |
ab32b0fc | 2 | import { ActivatedRoute, Router } from '@angular/router'; |
0629423c | 3 | import { BehaviorSubject } from 'rxjs/BehaviorSubject'; |
dc8bc31b | 4 | |
41a2aee3 | 5 | import { |
41a2aee3 C |
6 | SortField, |
7 | Video, | |
8 | VideoService | |
4a6995be | 9 | } from '../shared'; |
de59c48f | 10 | import { AuthService, AuthUser, RestPagination, Search, SearchField } from '../../shared'; |
00a44645 | 11 | import { SearchService } from '../../shared'; |
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12 | |
13 | @Component({ | |
14 | selector: 'my-videos-list', | |
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15 | styleUrls: [ './video-list.component.scss' ], |
16 | templateUrl: './video-list.component.html' | |
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17 | }) |
18 | ||
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19 | export class VideoListComponent implements OnInit, OnDestroy { |
20 | loading: BehaviorSubject<boolean> = new BehaviorSubject(false); | |
de59c48f | 21 | pagination: RestPagination = { |
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22 | currentPage: 1, |
23 | itemsPerPage: 9, | |
0629423c | 24 | totalItems: null |
aff038cd | 25 | }; |
cf20596c | 26 | sort: SortField; |
7da18e44 | 27 | user: AuthUser = null; |
4fd8aa32 | 28 | videos: Video[] = []; |
dc8bc31b | 29 | |
471bc22f | 30 | private search: Search; |
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31 | private subActivatedRoute: any; |
32 | private subSearch: any; | |
98b01bac | 33 | |
dc8bc31b | 34 | constructor( |
ccf6ed16 | 35 | private authService: AuthService, |
0629423c | 36 | private changeDetector: ChangeDetectorRef, |
4fd8aa32 | 37 | private router: Router, |
0629423c | 38 | private route: ActivatedRoute, |
00a44645 | 39 | private videoService: VideoService, |
0629423c | 40 | private searchService: SearchService |
00a44645 | 41 | ) {} |
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42 | |
43 | ngOnInit() { | |
bddab65a | 44 | if (this.authService.isLoggedIn()) { |
7da18e44 | 45 | this.user = AuthUser.load(); |
bddab65a | 46 | } |
1553e15d | 47 | |
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48 | // Subscribe to route changes |
49 | this.subActivatedRoute = this.route.params.subscribe(routeParams => { | |
50 | this.loadRouteParams(routeParams); | |
00a44645 | 51 | |
0629423c | 52 | // Update the search service component |
bddab65a C |
53 | this.searchService.updateSearch.next(this.search); |
54 | this.getVideos(); | |
55 | }); | |
00a44645 | 56 | |
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57 | // Subscribe to search changes |
58 | this.subSearch = this.searchService.searchUpdated.subscribe(search => { | |
59 | this.search = search; | |
7eef9535 C |
60 | // Reset pagination |
61 | this.pagination.currentPage = 1; | |
0629423c | 62 | |
bddab65a | 63 | this.navigateToNewParams(); |
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64 | }); |
65 | } | |
00a44645 | 66 | |
0629423c | 67 | ngOnDestroy() { |
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68 | this.subActivatedRoute.unsubscribe(); |
69 | this.subSearch.unsubscribe(); | |
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70 | } |
71 | ||
7eef9535 | 72 | getVideos() { |
0629423c | 73 | this.loading.next(true); |
157cb9c9 | 74 | this.videos = []; |
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75 | |
76 | this.changeDetector.detectChanges(); | |
157cb9c9 | 77 | |
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78 | let observable = null; |
79 | ||
00a44645 | 80 | if (this.search.value) { |
ccf6ed16 | 81 | observable = this.videoService.searchVideos(this.search, this.pagination, this.sort); |
98b01bac | 82 | } else { |
ccf6ed16 | 83 | observable = this.videoService.getVideos(this.pagination, this.sort); |
98b01bac C |
84 | } |
85 | ||
86 | observable.subscribe( | |
32294074 C |
87 | ({ videos, totalVideos }) => { |
88 | this.videos = videos; | |
0629423c | 89 | this.pagination.totalItems = totalVideos; |
4fd8aa32 | 90 | |
0629423c | 91 | this.loading.next(false); |
32294074 | 92 | }, |
bf68dd75 | 93 | error => alert(error.text) |
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94 | ); |
95 | } | |
96 | ||
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97 | isThereNoVideo() { |
98 | return !this.loading.getValue() && this.videos.length === 0; | |
99 | } | |
100 | ||
101 | onPageChanged(event: any) { | |
102 | // Be sure the current page is set | |
103 | this.pagination.currentPage = event.page; | |
104 | ||
105 | this.navigateToNewParams(); | |
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106 | } |
107 | ||
ccf6ed16 | 108 | onRemoved(video: Video) { |
bddab65a | 109 | this.getVideos(); |
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110 | } |
111 | ||
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112 | onSort(sort: SortField) { |
113 | this.sort = sort; | |
a99593ed | 114 | |
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115 | this.navigateToNewParams(); |
116 | } | |
117 | ||
118 | private buildRouteParams() { | |
119 | // There is always a sort and a current page | |
a99593ed | 120 | const params: any = { |
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121 | sort: this.sort, |
122 | page: this.pagination.currentPage | |
a99593ed C |
123 | }; |
124 | ||
bddab65a | 125 | // Maybe there is a search |
a99593ed | 126 | if (this.search.value) { |
a99593ed | 127 | params.field = this.search.field; |
4fd8aa32 | 128 | params.search = this.search.value; |
a99593ed C |
129 | } |
130 | ||
bddab65a C |
131 | return params; |
132 | } | |
133 | ||
134 | private loadRouteParams(routeParams) { | |
135 | if (routeParams['search'] !== undefined) { | |
136 | this.search = { | |
137 | value: routeParams['search'], | |
138 | field: <SearchField>routeParams['field'] | |
139 | }; | |
140 | } else { | |
141 | this.search = { | |
142 | value: '', | |
143 | field: 'name' | |
144 | }; | |
145 | } | |
146 | ||
147 | this.sort = <SortField>routeParams['sort'] || '-createdDate'; | |
148 | ||
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149 | if (routeParams['page'] !== undefined) { |
150 | this.pagination.currentPage = parseInt(routeParams['page']); | |
151 | } else { | |
152 | this.pagination.currentPage = 1; | |
153 | } | |
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154 | |
155 | this.changeDetector.detectChanges(); | |
156 | } | |
157 | ||
158 | private navigateToNewParams() { | |
159 | const routeParams = this.buildRouteParams(); | |
160 | this.router.navigate(['/videos/list', routeParams]); | |
00a44645 | 161 | } |
dc8bc31b | 162 | } |